When did hospitals stop using oxygen tents and start using ventilators? When my husband died in 1959, he was in an oxygen tent. - Quora
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Negative Pressure Tent to Reduce Exposure of Health Care Workers to SARS CoV-2 During Aerosol Generating Respiratory Therapies - CHEST
![Inside Field Hospital Tent Stock Photo - Download Image Now - Healthcare And Medicine, Hospital, Tent - iStock Inside Field Hospital Tent Stock Photo - Download Image Now - Healthcare And Medicine, Hospital, Tent - iStock](https://media.istockphoto.com/id/544678254/photo/inside-field-hospital-tent.jpg?s=612x612&w=0&k=20&c=a5mxSs3VQYPisAR8Tc3St8MJFKZgYWPYpoXJEMN3oCE=)